Variant Cover for #41
Although the solicits say that Ian Churchill will be the artist on the second variant cover, the actual artist is Carlos Pacheco.
So:
Ian Churchill = Variant cover to Aquaman: Sword of Atlantis #40
Carlos Pacheco = Variant cover to Aquaman: Sword of Atlantis #41
So:
Ian Churchill = Variant cover to Aquaman: Sword of Atlantis #40
Carlos Pacheco = Variant cover to Aquaman: Sword of Atlantis #41